Petrutech Spy Shop
Professional Eavesdropping, Bugging and Surveillance Equipment

Powerful UHF micro transmitter 9v encased in ABS box


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UHF powerful spy bug for room monitoring. The transmitter is encased in an ABS enclosure, and features an ON / OFF switch. It uses 1 battery, 9V. Using the UHF ISM band for for the best high performance and privacy. The estimated transmission is approx. 200m on built area and up to 700m line of sight without obstacles. Maximal current from battery: 30mA. Maximal output 16 dBm, more than a simple spying bug transmitter. Super sensitive microphone. Requires an UHF receiver (we sell three UHF matching receivers) or an UHF scanner. Extremely miniaturized crystal controlled UHF audio transmitter. Exceptional audio performance. Automatic gain control. The long distance of approximately 500/700 meters can be reached in open field thanks to the powerful output. The performance obviously depends on the environmental conditions and the sensitivity of the receiver utilized. To obtain the highest performance, it's recommended the use of this transmitter combined with our receivers.
By using it with the 9V lithium battery the product fits completely hidden in places in the room.
The BX_UHF emits a powerful, clear sound. The transmitter is designed and tested in our specialized laboratory and tested as well "on field" by high skilled engineers for maximal distance. These audio spy bugging devices are for the serious professional who needs the best in audio surveillance. Wherever monitoring transmitters have to be used in disguised operations, this micro transmitter is the perfect choice.


  • Power Supply: 9V
  • BOXED in ABS box with ON / OFF switch!
  • Estimated transmitting range: 200 m in urban area and up to 700 m on clear. (L.O.S).
  • SMD miniature components, for more stability and range (MIL SPECS 1% accuracy).
  • EXTRA amplified output!
  • Using a special material for encapsulating, for safety and security !!!
  • The device is coated with special Anti-static material.
  • Penetrates through walls and ceilings.
  • Very sensitive tiny electret (Condensed) microphone.
  • Professional gild PCB for extra stability.


  • 1 QUARTZ stabilized BX_UHF spy bug Transmitter.
  • 1 User Manual.
  • Model: HPU
  • Shipping Weight: 0.03Kgs

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